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Wafer Fabrication Plant Acquisition - Summary of Fair Value of Assets and Liabilities Related to Acquisition Recorded in Condensed Consolidated Balance Sheet (Details) - USD ($)
$ in Thousands
Jun. 30, 2019
Apr. 01, 2019
Dec. 31, 2018
Business Acquisition [Line Items]      
Goodwill $ 138,772   $ 132,437
Wafer Fabrication Facility ("GFAB")      
Business Acquisition [Line Items]      
Property, plant and equipment, net   $ 24,400  
Inventories   3,600  
Prepaid expenses and other   5,200  
Goodwill   900  
Deferred tax liabilities   $ 1,000